[TOC] ## 安装 ``` curl -O https://pear.php.net/go-pear.phar sudo php -d detect_unicode=0 go-pear.phar ``` ``` ... 1. Installation base ($prefix) : /usr 2. Temporary directory for processing : /tmp/pear/install 3. Temporary directory for downloads : /tmp/pear/install 4. Binaries directory : /usr/bin 5. PHP code directory ($php_dir) : /usr/share/pear 6. Documentation directory : /usr/docs 7. Data directory : /usr/data 8. User-modifiable configuration files directory : /usr/cfg 9. Public Web Files directory : /usr/www 10. System manual pages directory : /usr/man 11. Tests directory : /usr/tests 12. Name of configuration file : /private/etc/pear.conf 1-12, 'all' or Enter to continue: 1 ``` 输入 1，将安装根目录修改为 /usr/local/pear； 输入 4，将命令安装到 /usr/local/bin 目录； 其它选项默认即可，一路回车。 ## 命令 ``` // 版本检测 pear version // 升级或更新源 pear upgrade --force PEAR // 更新下仓库 pecl channel-update pecl.php.net // 安装包 pear install DB ```